[Troubleshooting] Unrooted Alcatel OneTouch Pop C7 suddenly bootloops? - Alcatel OneTouch Pop C7 Questions & Answers

Hi all,
I have this unrooted Alcatel OneTouch Pop C7 (7040A) that has been working fine for the past year until now when it suddenly goes in bootloop at the startup animation (Alcatel OneTouch logo). On the last successful boot, "android.process.acore" began to stop unexpectedly making the majority of applications including "Contacts", "File Manager" and "Phone" unusable. A hard reset was performed via recovery mode clearing user data/cache partition, "Enable ADB" returns message "file not found/invalid argument". The first screen that appears during boot (network operator logo) will rarely be visually corrupted. Has anyone have experience with this phone and how can I get it to work again?
Thanks in advance.

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[Q] No boot after Titanium Backup reboot-to-recovery

Hi,
suddenly I have a big problem: I have Galaxy S5 running Lollipop, rooted over Odin, that was running perfectly fine. Today I selected "reboot to recovery" in TitaniumBackup. This worked, the phone came up in recovery mode. I did nothing there, just chose "restart".
Now the phone won't come up again. On start, the screen remains black until a message box "media storage stopped" (translated, originally "Medienspeicher angehalten") appears. I can't even press the ok-button there, no reaction. After a while more messages "[something] stopped" appear, everything from some apps to "system". Now I can press the ok-buttons in each message. After they are all confirmed, the screen is black and nothing more happens.
Can anyone help me? The phone was fine before I used TitaniumBackup's reboot-option - was there some damage done that can be repaired?
Regards
150d said:
Hi,
suddenly I have a big problem: I have Galaxy S5 running Lollipop, rooted over Odin, that was running perfectly fine. Today I selected "reboot to recovery" in TitaniumBackup. This worked, the phone came up in recovery mode. I did nothing there, just chose "restart".
Now the phone won't come up again. On start, the screen remains black until a message box "media storage stopped" (translated, originally "Medienspeicher angehalten") appears. I can't even press the ok-button there, no reaction. After a while more messages "[something] stopped" appear, everything from some apps to "system". Now I can press the ok-buttons in each message. After they are all confirmed, the screen is black and nothing more happens.
Can anyone help me? The phone was fine before I used TitaniumBackup's reboot-option - was there some damage done that can be repaired?
Regards
Click to expand...
Click to collapse
Try taking off the battery, or rebooting into recovery and wiping cache.
Regards

HELP PLEASE - Weardest problem i've ever had

hi everyone. I've ruined my phone by restoring a backup and the phone kept saying "unfortunately process Phone has stopped" - "unfortunately process com.android.phone has stopped" - "unfortunately process contact storage" has stopped' and many more... it shows status bar and NAV-buttons and connects to the network for 0.2 seconds and instantly disconnects and then it happens again. i don't even get to go to the home screen. i tried factory reset but didn't work, Tried flashable zips of stock rom but nothing changed, flashing a clean stock KDZ won't even work(even CSE flash mode), my phone doesn't go to recovery mode(TWRP or Stock) either. what i think the problem originates from is a couple of files in the data partition that are still left over or some integrated updates to the system... or maybe the partitions are harmed
one thing that you might wanna know is that every time i re-flash a KDZ and it boots up, it shows the 'android is upgrading' - 'optimizing app X of Y' page, though it shouldn't. and after showing the massages of ' ... process has stopped' after a couple of minutes it restarts and it goes over the process again....
I've un-destroyed my phone a lot of time but this is different, it's like the flashing and restoring doesn't actually do anything and just moves a progress bar but doesn't do anything, I'm on stock recovery and stock rom(which doesn't boot or go to the recovery mode). PLEASE HELP ME. My phone is n a dramatic situation :crying: :crying: :crying: :crying:
Is there any way to modify partitions from download mode?????
Anyone ?????? Please help... I have serious problem, my phone is dead

A5 (2016) Stuck on Boot-screen (Samsung Logo) after Software Upgrade

Hi guys I kindly require your assistance concerning my Samsung A5 2016 A510F, device was running android 5.1.1 before I updated to android 7.0. Here's the reason why I updated, device was acting shaggy it would suddenly close apps during operation. for an example with error "messaging has stopped working" would close most of the apps with the same error or suddenly restarts itself especially when the battery is less than 50%.
So I then attempted to do OTA update but failed to install "error, invalid file" so I went the Odin way, Downloaded stock firmware and flashed via Odin, everything went smooth until reached the "apps optimization 40 of 40" stacked there for about 30 minutes until i decided to restart the device, upon restart the device no longer went pass the Samsung logo stacked there.
Here's what I tried to resolve the issue:
- Cleared cache
- Factory reset
On recovery screen i noticed an error about "e: failed to mount partition" I tried almost every solution I came across to on Google with no luck. I then tried flashing to this custom rom https://forum.xda-developers.com/samsung-a-series/development/rom-resurrection-remix-rr-v6-unofficial-t3765542
Installed successfully but gets stuck on "checking for software update" I reinstalled the custom ROM again but this time without the GAPPS device booted successfully to home screen, went back to TRWP this time installed the GAPPS rebooted, it went successful, however device is unusable it keeps popping error "google play services closed" every 2 seconds.
Please help, is my phone officially dead I need clarity. Your assistance will be highly appreciated thanks in advance
b0ng0s said:
Hi guys I kindly require your assistance concerning my Samsung A5 2016 A510F, device was running android 5.1.1 before I updated to android 7.0. Here's the reason why I updated, device was acting shaggy it would suddenly close apps during operation. for an example with error "messaging has stopped working" would close most of the apps with the same error or suddenly restarts itself especially when the battery is less than 50%.
So I then attempted to do OTA update but failed to install "error, invalid file" so I went the Odin way, Downloaded stock firmware and flashed via Odin, everything went smooth until reached the "apps optimization 40 of 40" stacked there for about 30 minutes until i decided to restart the device, upon restart the device no longer went pass the Samsung logo stacked there.
Here's what I tried to resolve the issue:
- Cleared cache
- Factory reset
On recovery screen i noticed an error about "e: failed to mount partition" I tried almost every solution I came across to on Google with no luck. I then tried flashing to this custom rom https://forum.xda-developers.com/samsung-a-series/development/rom-resurrection-remix-rr-v6-unofficial-t3765542
Installed successfully but gets stuck on "checking for software update" I reinstalled the custom ROM again but this time without the GAPPS device booted successfully to home screen, went back to TRWP this time installed the GAPPS rebooted, it went successful, however device is unusable it keeps popping error "google play services closed" every 2 seconds.
Please help, is my phone officially dead I need clarity. Your assistance will be highly appreciated thanks in advance
Click to expand...
Click to collapse
Hi there, I am wondering if you resolved your issue because I have exactly the same problem. Any infos would help me a lot.
Thank you

'System UI isn't responding' and 'Process system isn't responding' w/ restarts

(Moved from general discussion)
Hey all,
I've run into a bit of a pickle..
I replaced the screen on my S8 (SM-G950U) and after booting, it immediately gives 'System UI isn't responding' and/or 'Process system isn't responding'.
Shortly after (1-3 minutes) the phone will reboot. The errors may appear 1-2 more times before rebooting.
A bit of info:
Model: SM-G950U
OS: G950USQU4CRE9
Steps taken:
Clearing cache does nothing.
Factory reset via recovery mode has no change.
Flashing stock ROM (same version) with ODIN does nothing either.
Before restoring I was able to go in and see the RAM was reporting what I assume is normal (~30% usage)
Also the front camera was no longer working, but I've replaced that as well and haven't had the phone on for long enough to get through the initial setup to test.
Anyone have a potential solution / suggestion? Any and all help is appreciated. Thanks!
Edit:
It might also be worth noting that the shutdowns only happen after booting. There's no issue when entering recovery / download mode.
Havr you tried safe mode?
I know this is an old thread but hoping to get some guidance. I am facing the exact same issue on my at&t s8+ snapdragon as mentioned above. The device is unrooted and was with stock oreo rom. suddenly started showing either "system iu isn't responding" or "process system isn't responding". Later the device started hanging and kept restarting. It restarts from samsung logo instead of the device model name unless force restarted. This cycle keeps happening. I am able to access download mode and recovery without any problem. recovery initially shows "installing update" followed by "no command" but then works normally. The device doesn't power off even from recovery, it keeps rebooting. I have tried (1) cache wipe (2) factory reset from recovery (3) safe mode (4) installed stock rom without problem (5) installed latest stock s8+ unlocked xas pie rom without problem (6) installed latest stock s8+ sprint version pie rom without problem but i am unable to even end the initial device setup as the device keeps hanging with these errors and restarts. Any ideas would be appreciated.

SN-900 keeps displaying System UI has stopped working and a black screen.

Two months ago. My phone died so I recharged it. and opened it again. After it boots, The screen is black and displayed "System UI has stopped working" with no way to accessed the menu and It keeps popping up after I click close. Is there any way to fix this? I have TWRP. SM-N900 with LineageOS Extended
I lost my backup long time ago because I lost my SD Card
Factory reset via TWRP .

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